<template>
   <div>
      <!-- 面包屑导航区区域 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
         <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
         <el-breadcrumb-item>商品管理</el-breadcrumb-item>
         <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>

      <!-- 卡片视图区域 -->
      <el-card>
         <el-row :gutter="20">
            <el-col :span="8">
               <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList()">
                  <el-button slot="append" icon="el-icon-search" @click="getGoodsList()"></el-button>
               </el-input>
            </el-col>
            <el-col :span="4">
               <el-button type="primary" @click="goAddPage">添加商品</el-button>
            </el-col>
         </el-row>
      </el-card>

      <!-- table表格区域 -->
      <el-table height="600px" :data="goodslist" border stripe>
         <el-table-column type="index"> </el-table-column>
         <el-table-column label="商品名称" prop="goods_name"> </el-table-column>
         <el-table-column label="商品价格(元)" prop="goods_price" width="130px"> </el-table-column>
         <el-table-column label="商品重量" prop="goods_weight" width="130px"> </el-table-column>
         <el-table-column label="创建时间" prop="add_time" width="140px">
            <template v-slot="scope">
               {{ scope.row.add_time | dateFormat }}
            </template>
         </el-table-column>
         <el-table-column label="操作" width="160px">
            <template v-slot="scope">
               <el-button type="primary" icon="el-icon-edit"></el-button>
               <el-button type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
            </template>
         </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
         :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
         layout="total, sizes, prev, pager, next, jumper" :total="total" background>
      </el-pagination>
   </div>
</template>

<script>
export default {
   name: 'List',
   data() {
      return {
         // 查询参数对象
         queryInfo: {
            query: '',
            pagenum: 1,
            pagesize: 10
         },
         // 商品列表数据
         goodslist: [],
         // 总数据条数
         total: 0
      }
   },
   methods: {
      // 根据分页获取对应的商品列表
      async getGoodsList() {
         const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
         if (res.meta.status !== 200) {
            return this.$message.error('获取商品列表数据失败！')
         }
         this.$message.success('获取商品列表数据成功！')
         console.log(res);
         this.goodslist = res.data.goods
         this.total = res.data.total
      },
      handleSizeChange(newSize) {
         this.queryInfo.pagesize = newSize
         this.getGoodsList()
      },
      handleCurrentChange(newPage) {
         this.queryInfo.pagenum = newPage
         this.getGoodsList()
      },
      // 删除逻辑
      async removeById(id) {
         const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
         }).catch(error => error)

         if (confirmResult !== 'confirm') {
            return this.$message.info('已取消删除')
         }

         const { data: res } = await this.$http.delete(`goods/${id}`)
         if (res.meta.status !== 200) {
            return this.$message.error('删除失败！')
         }
         this.$message.success('删除成功！')
         this.getGoodsList()
      },
      goAddPage() {
         this.$router.push('/goods/add')
      }

   },
   created() {
      this.getGoodsList()
   },
}
</script>

<style lang="less" scoped>
</style>